Faema Boiler End Cap Gasket Boiler end cap gasket for the old Faema E-64, E-66, P-1, and P-6 boilers, sized 150 x 137 x 3mm. SPECIFICATIONS Dimensions: 150 x 137 x 3mm COMPATIBILITY Fits: Faema E-64, E-66, P-1, and P-6 boilers only INSTALLATION Boiler must be drained and depressurized before removing the end cap - a job for a technician comfortable working on pressurized boilers. PRO TIPS Torque the end cap bolts evenly in a cross pattern when reinstalling - uneven torque on a gasket this large is a common cause of a fresh install still weeping at the seam.